US4037013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carpet underlay comprising foamed scrap particles
Assignee: GENERAL FELT INDUSTRIES Inc A CORP OF DEL
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Filing: 1975-11-07
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Granted: 1977-07-19
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Expires: 1995-11-07
Abstract
Abstract A carpet underlay and method of making same are provided wherein the carpet underlay comprises a layer of bonded scrap particles of flexible elastomeric foam and at lest another layer bonded against the layer of bonded scrap particles free of additional adhesive means between layers.
Inventors
- 👤 George R. Sprague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:18
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/16; B32B27/00; B32B27/14; B32B27/32; D; D06; D06M; D06M17/00; D06N; D06N7/00; D06N7/0063; D06N7/0089; B32B2262/00; B32B2262/02; B32B2262/0276; B32B2264/00; B32B2264/02; B32B2305/00; B32B2305/70; B32B2471/00; B32B2471/02; Y; Y10; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249986; Y10T428/249987; Y10T428/249991; Y10T428/249992; Y10T428/249993; Y10T428/25; Y10T428/254
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A carpet underlay having an equal cross-section throughout and consisting of first and second layers, said first lyer comprising bonded scrap particles of flexible elastomeric foam material, said second layer bonded against the entire surface of said first layer free of additional adhesive means between layers, said second layer being defined by a plurality of sheets consisting of a sheet of spunbonded polyester fibers and at least one sheet of polyethylene film, said sheet of polyethylene film disposed adjacent said first layer.
Claim 2
Dependent Claim
82 words
A carpet underlay having an equal cross-section throughout and consisting of first and second layers, said first lyer comprising bonded scrap particles of flexible elastomeric foam material, said second layer bonded against the entire surface of said first layer free of additional adhesive means between layers, said second layer being defined by a plurality of sheets consisting of a sheet of spunbonded polyester fibers and at least one sheet of polyethylene film, said sheet of polyethylene film disposed adjacent said first layer.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-07-18 | 1981-01-17 | 1981-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-18 | 1985-01-17 | 1985-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-18 | 1989-01-17 | 1989-07-19 | $7700.00 | Window Closed / Lapsed |